poj 1005

poj 1005 已accept

#include<stdio.h>  #include<math.h>  int main()  {      int i,n;      float pi,x,y,years;      scanf("%d", &n);      pi = acos(-1);      for(i=1; i<=n; i++)      {          scanf("%f%f",&x,&y);          years = pi*(x*x + y*y)/100;          printf("Property %d: This property will begin eroding in year %d.\n",i,(int)years+1);      }      printf("END OF OUTPUT.\n");      return 0;  }